No problem, we've got 4836 and 4394 to multiply
4836 × 4394 = 4394 × (4836)
+ 4394 × 6 resulting in 26364
+ 4394 × 30 that is equal 131820
+ 4394 × 800 that is equal 3515200
+ 4394 × 4000 which equals 17576000

= 21249384
